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From: Sam Ravnborg <sam@ravnborg.org>
To: "David S. Miller" <davem@davemloft.net>,
	Arnd Bergmann <arnd@kernel.org>,
	Andreas Larsson <andreas@gaisler.com>,
	Helge Deller <deller@gmx.de>,
	Randy Dunlap <rdunlap@infradead.org>,
	John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>,
	Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>,
	Kjetil Oftedal <oftedal@gmail.com>,
	Thomas Zimmermann <tzimmermann@suse.de>,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Alan Stern <stern@rowland.harvard.edu>,
	Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>,
	sparclinux@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-usb@vger.kernel.org, linux-fbdev@vger.kernel.org,
	dri-devel@lists.freedesktop.org, linux-sound@vger.kernel.org
Subject: Re: [PATCH v2 00/28] sparc32: sunset sun4m and sun4d
Date: Tue, 23 Apr 2024 20:02:16 +0200	[thread overview]
Message-ID: <20240423180216.GA906720@ravnborg.org> (raw)
In-Reply-To: <20240309-sunset-v2-0-f09912574d2c@ravnborg.org>

Hi Andreas,

On Sat, Mar 09, 2024 at 07:15:21PM +0100, Sam Ravnborg via B4 Relay wrote:
> This is the second attempt to sunset sun4m and sun4d.
> See [1] for the inital attempt.
> 
> The sun4m and sun4d parts of the kernel have seen no real interest
> for several years now. Last time a few people surfaced, but it was
> either due to a personal project or for nostalgic reasons.
> It is time to let go and drop the parts of sparc32 that in reality
> are not in use.
> 
> LEON from Frontgrade Gaisler is the only real user of sparc32,
> and this patchset reduces sparc32 to what is required by LEON.
> 
> The defconfig is first adapted to the one used by Gaisler.
> Then the patches removes sun4m and sun4d specific
> implementations such as small drivers, SMP support, IRQ suppor etc.
> 
> Removing sun4m and sun4d support allowed removal of the run time
> patching of the code as well as a lot of assembler code.
> The result is a much cleaner assembler code that is easier to
> understand and thus maintain and extend.
> 
> Changes in v2:
>   - Rebased on top of Andreas' for-next branch
>   - Collected ack's
>   - Added patch to remove cpuid patching (Andreas)
>   - Run-time testing using qemu (Andreas, Mark Cave-Ayland)

Please let me know if you expect me to rebase this on for-next.
I have not yet tried if there are merge conflicts but can take a look in
a some days if required.

That is assuming you agree with the sunset of the sun platforms...

	Sam

  parent reply	other threads:[~2024-04-23 18:02 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-09 18:15 [PATCH v2 00/28] sparc32: sunset sun4m and sun4d Sam Ravnborg via B4 Relay
2024-03-09 18:15 ` [PATCH v2 01/28] sparc32: Update defconfig to LEON SMP Sam Ravnborg via B4 Relay
2024-03-09 18:15 ` [PATCH v2 02/28] sparc32: Drop sun4m/sun4d support from head_32.S Sam Ravnborg via B4 Relay
2024-03-09 18:15 ` [PATCH v2 03/28] sparc32: Drop floppy support Sam Ravnborg via B4 Relay
2024-03-09 18:15 ` [PATCH v2 04/28] sparc32: Drop sun4m specific led driver Sam Ravnborg via B4 Relay
2024-03-09 18:15 ` [PATCH v2 05/28] sparc32: Drop sun specific power management drivers Sam Ravnborg via B4 Relay
2024-03-09 18:15 ` [PATCH v2 06/28] sparc32: Drop auxio support Sam Ravnborg via B4 Relay
2024-03-09 18:15 ` [PATCH v2 07/28] sparc32: Drop run-time patching of ipi trap Sam Ravnborg via B4 Relay
2024-03-09 18:15 ` [PATCH v2 08/28] sparc32: Drop patching of interrupt vector Sam Ravnborg via B4 Relay
2024-03-09 18:15 ` [PATCH v2 09/28] sparc32: Drop sun4m/sun4d specific irq handling Sam Ravnborg via B4 Relay
2024-03-09 18:15 ` [PATCH v2 10/28] sparc32: Drop sun4d/sun4m smp support Sam Ravnborg via B4 Relay
2024-03-09 18:15 ` [PATCH v2 11/28] sparc32: Drop pcic support Sam Ravnborg via B4 Relay
2024-03-09 18:15 ` [PATCH v2 12/28] sparc32: Drop mbus support Sam Ravnborg via B4 Relay
2024-03-09 18:15 ` [PATCH v2 13/28] sparc32: Drop unused function __get_{phys,iospace} Sam Ravnborg via B4 Relay
2024-03-09 18:15 ` [PATCH v2 14/28] sparc32: Drop unused mmu models Sam Ravnborg via B4 Relay
2024-03-10 10:37   ` kernel test robot
2024-03-10 12:34     ` Sam Ravnborg
2024-03-11 17:31       ` [PATCH v3 " Sam Ravnborg
2024-03-09 18:15 ` [PATCH v2 15/28] sparc32: Drop check for sparc_model Sam Ravnborg via B4 Relay
2024-03-09 18:15 ` [PATCH v2 16/28] sparc32: Drop use of sparc_config Sam Ravnborg via B4 Relay
2024-03-09 18:15 ` [PATCH v2 17/28] sparc32: Drop run-time cpuid patching Sam Ravnborg via B4 Relay
2024-03-09 18:15 ` [PATCH v2 18/28] sparc32: Drop run-time patching of ASI instructions Sam Ravnborg via B4 Relay
2024-03-09 18:15 ` [PATCH v2 19/28] sparc32: Drop support for 7 register windows Sam Ravnborg via B4 Relay
2024-03-09 18:15 ` [PATCH v2 20/28] sparc32: Drop additional sun4d bits Sam Ravnborg via B4 Relay
2024-03-09 18:15 ` [PATCH v2 21/28] sparc32: Drop unused prom ranges support Sam Ravnborg via B4 Relay
2024-03-09 18:15 ` [PATCH v2 22/28] sparc32: Drop unused sbus iommu support Sam Ravnborg via B4 Relay
2024-03-09 18:15 ` [PATCH v2 23/28] sparc32: Drop sun4m irq support Sam Ravnborg via B4 Relay
2024-03-09 18:15 ` [PATCH v2 24/28] sparc32: Drop unused trampoline code Sam Ravnborg via B4 Relay
2024-03-09 18:15 ` [PATCH v2 25/28] sparc32: Drop config SPARC_LEON Sam Ravnborg via B4 Relay
2024-03-09 18:15 ` [PATCH v2 26/28] sparc32: Drop sbus support Sam Ravnborg via B4 Relay
2024-03-09 18:15 ` [PATCH v2 27/28] sbus: char: Drop now unused uctrl driver Sam Ravnborg via B4 Relay
2024-03-09 18:15 ` [PATCH v2 28/28] fbdev/p9100: Drop now unused driver p9100 Sam Ravnborg via B4 Relay
2024-03-11 14:05   ` Arnd Bergmann
2024-03-11 17:47     ` Sam Ravnborg
2024-04-23 18:02 ` Sam Ravnborg [this message]
2024-04-26 16:31   ` [PATCH v2 00/28] sparc32: sunset sun4m and sun4d Andreas Larsson
2024-04-26 16:53     ` Sam Ravnborg

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